Debris Slide Slope Regions: Albion River Watershed, California, 1984-2000

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Abstract/Contents

Abstract
This polygon file depicts debris slide slope geomorphic features, defined as coalesced scars of debris flows and debris slides, within the Albion River watershed predominantly located on the coastal side of the Mendocino Range, the western-most range of the northern California Coast Ranges Geomorphic Province. The Albion River drains 43 square miles of the Mendocino County coastline. The headwaters are approximately 12 miles inland. Data portrays landslides, geomorphic features related to landsliding, relative landslide potential, geology, and stream channel geomorphic conditions. The data is a product of the Department of Conservation, California Geological Survey’s (CGS) investigation of landslides and fluvial geomorphology of the Albion River watershed. The investigation was based on interpretation of 1984 and 2000 aerial photos, findings from CGS’s landslide mapping conducted in the early 1980s (Kilbourne, R.T. 1982-84, Manson, M. W. 1984), as well as other sources (McLaughlin, 1997 and Matthews, 2001).
Purpose
This mapping began as part of the North Coast Watershed Assessment Program (NCWAP) which was de-funded by the Legislature in June 2003, the work was subsequently completed in late 2003 and early 2004. The California Geological Survey (CGS) evaluated the geology, fluvial geomorphic characteristics, relative slope stability and geomorphic characteristics within the watershed, and compiled the digital geospatial data described in this document. This mapping and compilation is geared toward providing baseline geologic and geomorphic data to aid in responsible land management, as well as the development of watershed restoration projects, watershed management strategies, and watershed plans.

Description

Type of resource cartographic, software, multimedia
Form Shapefile
Extent 0.703
Place Sacramento, California, US
Publisher California Geological Survey
Date valid 1984 - 2000
Publication date 2004
Edition 1
Language English
Digital origin born digital
Map data 1:24000Scale not given. ; EPSG::26910 W 123°46ʹ42ʺ--W 123°32ʹ20ʺ/N 39°18ʹ3ʺ--N 39°12ʹ32ʺW 123°46ʹ39ʺ--W 123°32ʹ21ʺ/N 39°18ʹ1ʺ--N 39°12ʹ33ʺ, Scale not given ; EPSG::4326

Creators/Contributors

Creator California Geological Survey

Subjects

Subject Watersheds
Subject Landslides
Subject Geology
Subject Faults (Geology)
Subject Geomorphology
Subject Landslide hazard analysis
Subject California, Northern
Subject Mendocino County (Calif.)
Subject Albion River Watershed (Calif.)
Subject 1984 > 2000
Subject Environment
Subject Geoscientific Information
Subject Inland Waters
Genre Geospatial data
Genre Cartographic dataset

Bibliographic information

Supplemental information The Albion River watershed is predominantly located on the coastal side of the Mendocino Range, the western-most range of the northern California Coast Ranges Geomorphic Province. The Albion River drains 43 square miles of the Mendocino County coastline. The headwaters are approximately 12 miles inland. The data is a product of the Department of Conservation, California Geological Survey’s (CGS) investigation of landslides and fluvial geomorphology of the Albion River watershed. The investigation was based on interpretation of 1984 and 2000 aerial photos, findings from CGS’s landslide mapping conducted in the early 1980s (Kilbourne, R.T. 1982-84, Manson, M. W. 1984), as well as other sources (McLaughlin, 1997 and Matthews, 2001). Link to this dataset on the California Department of Conservation website as of November 2014: http://www.conservation.ca.gov/cgs/fwgp/Pages/albion.aspx
WGS84 Cartographics This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.
Location https://purl.stanford.edu/yt118cq6992

Access conditions

Use and reproduction
This item is in the public domain. There are no restrictions on use.
Copyright
This work is in the Public Domain, meaning that it is not subject to copyright.

Preferred citation

California Geological Survey. (2004). Debris Slide Slope Regions: Albion River Watershed, California, 1984-2000. California Geological Survey. Available at: http://purl.stanford.edu/yt118cq6992

Collection

Maps and GIS data for the Albion River Watershed, Mendocino County, California : watershed mapping series, map set 8

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